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Firestop spacers are not available for nor are they
required on vertical walls.
DO NOT put any sealant around the area where the
outer pipe slides through the firestop spacer. If you
seal this area, it may cause a fire hazard.
Canadian Requirements for
Insulation Shield
In Canada, an attic insulation shield is required to
prevent attic insulation from contacting the chimney
section. Framing dimensions for the chimney hole
should measure 14¹⁄₂" x 14¹⁄₂" (368 x 368mm). An attic
shield MUST be installed on top of attic joists (above
the floor level). (Fig. 19)
Install the attic insulation shield with the flanges on its
base extending down into the framing hole. Nail each
corner of attic insulation shield to the framing members
of the ceiling hole using 8d nails. Attic shields are not
required at the roof.
Continue Installing Pipe to Complete Run
Continue attaching pipe sections to complete system to
next level always being careful that the pipe is firmly
snapped locked in place before proceeding to next pipe
section.
Chimney Supports
If chimney supports are required, they are installed the
same as elbows. Nail chimney support straps to
adjacent structural framing, as shown on Figure 9,
Page 8. Bend straps as necessary and make sure they
are secure so they will support the weight of the chim-
ney. A chimney support is 2¹⁄₂" (64mm) long when
installed. Consider this dimension when determining
how many straight chimney sections are needed.
NOTE: Chimney supports are generally used in long
runs in a chase installation.
Additional Ceilings
If you encounter additional ceilings, repeat same steps
required for first ceiling installation. See firestop
illustration on Page 12, Figure 18.
Penetrating the Roof
Run pipe to roofline. Since chimney system must be
vented to the out-of-doors, you must use an approved
termination.
If a chase is used, refer to the installation manual
provided with the termination cap.
7412944
Majestic Fireplaces
Attic
Insulation
Shield
Ceiling
Fig. 19 Attic shield installlation (Canadian requirement).
Locate Chimney Centerpoint On Roof
Use same procedure detailed in locating center point of
the flue system.
Drive a nail up through roof at the center point. This will
determine center point on outside of the roof.
Cut and Frame Roof Hole
Size of roof hole varies with the type of chimney
termination installed. Refer to installation instructions
provided with the chimney termination to find correct
size of roof hole.
There must be a 1¹⁄₂" (38mm) air space between
outermost portion of chimney sections and any adjacent
combustible surfaces. (Combustible surfaces include
burnable materials such as: ceiling members, joists,
flooring, combustible insulation and roof structures.)
WARNING: DO NOT PACK REQUIRED AIR SPACES
WITH INSULATION OR OTHER MATERIALS.
Mark an outline of the roof hole around the center of the
point nail. NOTE: Hole dimensions given in the chim-
ney top installation instructions are horizontal dimen-
sions; therefore, the hole size must be marked on the
roof accordingly.
Cover the opening of the installed chimney so debris
cannot get into the system.
Cut and frame the hole. It is good practice to use
framing lumber that is the same size as the rafters.
Install the frame securely because the chimney top and
flashing anchored to the frame must be able to with-
stand heavy winds.
BR/BC Series
®
Nails
(4 required)
Attic Joist
Base
Flanges
FP263
13
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